IP Library Patent Application 09756117
Patent Application Utility
App. No. 09/756,117 · Confirmation No. 5605

METHOD OF PRODUCING AN OPTICAL SEMICONDUCTOR DEVICE HAVING A WAVEGUIDE LAYER BURIED IN AN INP CURRENT BLOCKING LAYER

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Code Description Pages PDF
2001-01-09 TRNA Transmittal of New Application 2 View
2001-01-09 A.PE Preliminary Amendment 3 View
2001-01-09 SPEC Specification 14 View
2001-01-09 CLM Claims 1 View
2001-01-09 ABST Abstract 1 View
2001-01-09 DRW Drawings-only black and white line drawings 3 View
2001-01-09 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/756,117
Filed
2001-01-09
Granted
2002-05-21
Pub. No.
US20010001612A1
Art Unit
2822
PTA
0 days